package com.bdqn.springCloud.controller;

import com.bdqn.springCloud.entity.CommonResult;
import com.bdqn.springCloud.entity.Payment;
import com.bdqn.springCloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class PaymentController {

    @Value("${server.port}")
    private String serverPort;

    @Resource
    private PaymentService service;

    //对于注册进eureka里面的微服务，可以通过服务发现(Discovery)来获得该服务的信息
    @Resource
    private DiscoveryClient discoveryClient;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int i = service.create(payment);
        log.info("插入结果" + i);
        if (i > 0) return new CommonResult<>(200, "插入数据库成功,serverPort" + serverPort, i);
        else return new CommonResult<>(400, "插入数据库失败", null);
    }


    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id) {
        Payment paymentById = service.getPaymentById(id);
        System.out.println("----------------" + paymentById);
        log.info("查询结果" + paymentById);
        if (paymentById != null)
            return new CommonResult<>(200, "查询数据成功,serverPort" + serverPort, paymentById);
        else return new CommonResult<>(400, "查询数据失败", null);
    }

    @GetMapping("/payment/discovery")
    public Object discovery() {
        //查看eureka部署了几个微服务
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("****element" + element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            //服务名称+主机IP+端口号+URL
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping("/payment/lb")
    public String getPaymentLB() {
        return serverPort;
    }


    /**
     * @return Feign超时控制
     */
    @GetMapping("/payment/feign/timeout")
    public String paymentFeignTimeout() {
        //暂停几秒钟线程
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }
}
